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From: Andy Smith <andy@strugglers.net>
To: linux-raid@vger.kernel.org
Subject: Re: RAID10 reshape and change lout possible?
Date: Sun, 26 Feb 2017 18:51:47 +0000	[thread overview]
Message-ID: <20170226185147.GD21587@bitfolk.com> (raw)
In-Reply-To: <ae9c2ffb-808a-c905-ea29-1c8f5493b2ad@thelounge.net>

Hello,

On Sun, Feb 26, 2017 at 03:37:24PM +0100, Reindl Harald wrote:
> is it somehow possible to change a existing md RAID10 array from "2
> near-copies" to "2 far-copies" and what would be the mdadm syntax?

https://manpages.debian.org/jessie/mdadm/mdadm.8.en.html suggests
that --grow --layout can be changed on RAID-10. I have never tried
it myself. Experiment with loop devices. It looks like the syntax
would be:

# mdadm --grow /dev/mdX --layout=f2

Cheers,
Andy

-- 
https://bitfolk.com/ -- No-nonsense VPS hosting

> The optimum programming team size is 1.
Has Jurassic Park taught us nothing?         — pfilandr

  reply	other threads:[~2017-02-26 18:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-26 14:37 RAID10 reshape and change lout possible? Reindl Harald
2017-02-26 18:51 ` Andy Smith [this message]
2017-02-26 20:28   ` Reindl Harald
2017-02-26 21:17     ` Andy Smith
2017-02-26 22:57       ` Reindl Harald
2017-02-27  0:42 ` Brad Campbell

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